Home / 1,265,853.75-1,898,780.64-379,389.75

Finding the Fourth Proportional to 1,265,853.75, 1,898,780.64 and 379,389.75

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Solution

The fourth proportional to 1,265,853.75, 1,898,780.64 and 379,389.75 is: 569,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,853.75 : 1,898,780.64 = 379,389.75 : x
  2. Step 2: Convert to fraction form
    1,265,853.75/1,898,780.64 = 379,389.75/x
  3. Step 3: Cross multiply
    1,265,853.75x = 1,898,780.64 × 379,389.75
  4. Step 4: Simplify right side
    1,265,853.75x = 720,377,912,314.44
  5. Step 5: Solve for x
    x = 720,377,912,314.44/1,265,853.75
  6. Step 6: Final answer
    x = 569,084.63

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.